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Fourteen elements following Lanthanum ar...

Fourteen elements following Lanthanum are called Lanthanoids. What is Lanthanoid contraction? Give reason for it.

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Fourteen elements following Lanthanum are called Lanthanoids. KMnO_2 is a purple coloured crystal and it acts as an oxidant. How will you prepare from MnO_2 ?

Lanthanoid contraction is caused due to:

What are the consequences of lanthanoid contraction?

Transition elements are d - block elements and inner transition elements are f-block elements. What is Lanthanoid Contraction?

Write any one consequence of lanthanoid contraction.

Which of the following is not related to lanthanoid contraction and its consequences ?

Assertion : f-block elements are called inner transition elements Reason : Lanthanides and actinides are inner transition elements

Actinoid contraction is greater from element to element than lanthanoid contraction. Why?

The chemistry of the actinoid elements is not so smooth as that of the lanthanoids. Justify this statement by giving some examples from the oxidation state of these elements.

A N EXCEL PUBLICATION-D AND F - BLOCK ELEMENTS-QUESTION BANK
  1. Potassium permanganate and potassium dichromate are two transition met...

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  2. Potassium permanganate and potassium dichromate are two transition met...

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  3. Fourteen elements following Lanthanum are called Lanthanoids. What is ...

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  4. Fourteen elements following Lanthanum are called Lanthanoids. KMnO2 is...

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  5. Which of the following oxidation state is common for lanthanides?

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  6. Draw the structures of chromate and dichromate ions'.

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  7. Zirconium (Zr) belongs to. ‘4d and Hafnium (Hf) belongs to 5d transiti...

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  8. Which of the following odixation state is not shown by Manganese?

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  9. Potassium permanganate and potassium dichromate are two transition met...

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  10. Potassium permanganate (KMnO4) is a strong oxidizing agent. Write any ...

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  11. Transition elements are d- block elements Write any four characteristi...

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  12. Transition elements are d - block elements and inner transition elemen...

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  13. Transition elements are d - block elements and inner transition elemen...

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  14. Transition elements are d - block elements and inner transition elemen...

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  15. Transition elements are d- block elements Write any four characteristi...

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  16. transition elements are 'd' block elements. Cr^(2+) and Mn^(3+) have d...

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  17. Which of the following is not a lanthanoid element?

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  18. Zr and Hf are having similar chemical properties. This is due to.

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  19. Magnetic moments arise due to the presence of unpaired electrons’ Calc...

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  20. Transition metal ions are generally coloured. Why?

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